NiCd Battery Charger

Copper clad boardRuler and matte knife to cut it

Scrubby pad to shine it

Cut the PCB Down to SizeMake sure to cut all the way through copper layer.

Otherwise it'll tear when the fiberglass snaps.

Clean up the Copper and Lay Out the Parts

Draw Pads and Connect the Dots

Fill in the Ground PlaneIt's easier on your etching (and

sometimes has beneficial electrical properties) if you keep a fair amount of copper on the

board to use as a very-low-impedance ground path.

Let the Ink Dry, Inspect, Do Small Touch-ups

EtchEtch the board using the etchant of your

choice.

Acetone pwns sharpie! Also note that I'm not doing this directly on my countertop.

Sharpie and acetone bleeds through paper towels.

Drill out the HolesDots in centers of all pads

Populate the Board and Solder it Up

Thanks a lot

Eng : M Afifi